DirectoryMCP serversAnalytics & marketing

State of Web Vitals: MCP server (Analytics & marketing) in 2026

Core Web Vitals metrics by CMS, CDN, and framework — free remote MCP, no auth.

Verified working on 2026-10-27 Rank 6 of 48 in Analytics & marketing. Source: MCP Registry record, checked 2026-10-27.

Key facts

TypeMCP server, remote (streamable HTTP)
CategoryAnalytics & marketing
Endpointhttps://www.corewebvitals.io/api/state-of-cwv/mcp
Registry nameio.github.corewebvitals/state-of-cwv
Version (registry)1.0.1
Published in registry2026-07-16
Registry record updated2026-07-16
Repositoryhttps://github.com/corewebvitals/state-of-cwv-mcp
Websitehttps://www.corewebvitals.io/state-of-cwv
AuthenticationNone needed for initialize and tools/list (checked anonymously)
Latest checkUp on 2026-10-27, 372 ms to initialize
Tools listed3
Checks passed1 of 1 daily checks
Last verified working2026-10-27
Sourcehttps://registry.modelcontextprotocol.io/v0/servers/io.github.corewebvitals%2Fstate-of-cwv/versions/latest (pulled 2026-10-27)

Tools (3)

get_metrics, get_histogram, list_options

Verification history

One probe a day: initialize, then tools/list, nothing else. Last 1 checks: 10-27 up

Install

Claude Code
claude mcp add --transport http state-of-cwv https://www.corewebvitals.io/api/state-of-cwv/mcp
Claude (claude.ai, Desktop)

Settings > Connectors > Add custom connector. Name: State of Web Vitals. URL: https://www.corewebvitals.io/api/state-of-cwv/mcp

Cursor
{
  "mcpServers": {
    "state-of-cwv": {
      "url": "https://www.corewebvitals.io/api/state-of-cwv/mcp"
    }
  }
}

Save as ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).

ChatGPT

Settings > Connectors > Advanced > Developer mode, then Create. Name: State of Web Vitals. MCP server URL: https://www.corewebvitals.io/api/state-of-cwv/mcp. Authentication: No authentication.

Custom connectors need a plan with Developer mode; menu names change between releases.

Hermes Agent
mcp_servers:
  state-of-cwv:
    url: "https://www.corewebvitals.io/api/state-of-cwv/mcp"

Add to ~/.hermes/config.yaml, then run /reload-mcp.

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State of Web Vitals: MCP server (Analytics & marketing) in 2026 · Vibe Shipped